Here is a color palette based on “light gray”:

json
{
  "palette_name": "Light Gray Serenity",
  "colors": [
    {
      "name": "Light Gray",
      "hex_code": "
                            
                            #D3D3D3
                        "
    },
    {
      "name": "Silver",
      "hex_code": "
                            
                            #C0C0C0
                        "
    },
    {
      "name": "Gainsboro",
      "hex_code": "
                            
                            #DCDCDC
                        "
    },
    {
      "name": "Slate Gray",
      "hex_code": "
                            
                            #708090
                        "
    },
    {
      "name": "Dim Gray",
      "hex_code": "
                            
                            #696969
                        "
    }
  ]
}

This palette features a range of soft gray tones, perfect for creating a calm and neutral atmosphere. Would you like to explore more colors or another theme?